twinsis

Refering to a pair of twin female siblings that one has.

Today's my twinsis birthday and we're gonna have a princess themed celebration!

twinsis by Anonymous160316 July 24, 2016

TWINSIES 

When you and someone else have something in common.

When you see someone wearing the same boots as you, "TWINSIES"

TWINSIES by BONQUISHA Charice October 18, 2012

twinside joke 

An inside joke between twins.

Twin 1: That was so long ago!
Twin 2: Ya thats like when she wore glasses
Random Guy: What?
Twin 2: Oh, you wouldnt get it, its a twinside joke

twinside joke by baked_goods_ June 2, 2009

twinsies 

noun. Someone who has something in common with someone else.

Oh, you failed that test too? Twinsies!

twinsies by Comic May 13, 2005

twinsie 

When you're similar with someone in something

Wow same top? Twinsie !

twinsie by kawaiipotatah October 24, 2019

twincism

Twincism is a form of discrimination directed at twins. It tends to resort to stereotypes regarding the similarity of twins, or failing to acknowledge that twins are, in fact, individuals themselves.

"Man, you and your twin are so alike."
"Don't be such a twincist! Twincism is bad."

twincism by partyboy17 September 7, 2009

twinsest 

like insest. but with twins

i always thought you two twins were too close. IT'S TWINSEST

twinsest by Lexxx March 23, 2007